The messy business of sand mining explained
A 21st century construction boom is driving unregulated sand mining around the world - eroding rivers and coastlines, disrupting ecosystems and hurting livelihoods.
Sand mining: how it impacts the environment and solutions …
Sand is the second-most exploited natural resource. Soaring demand for construction means sand mining is impacting the environment and needs regulating.
Athabasca Oil Sands Project, Canada
Oil sands mining. Mining methods have changed since the launch of the first large-scale mine, with Great Canadian Oil Sands then using bucket-wheels brought from the coal mining industry. ... China's largest oil refiner Sinopec has also begun looking at the potential of Athabasca; its subsidiary, SinoCanada Petroleum, has a 50% interest …
ZHU, Qian. 2022. River-sand Mining: An …
River-sand Mining: An Ethnography of Resource Conflict in China. Leiden: Brill.", China Perspectives [Online], 2022/04 | 2022, Online since 22 December 2022, connection
River Sand Mining and its Management: A Global Challenge
Human disturbances in fluvial system in the form of inverse land use change, construction of dam or reservoir for hydroelectric power generation, flow diversion for flood mitigation and supply of irrigation water, gravel and sand mining are the causes of changing fluvial dynamics over the last decades throughout the world (Bhattacharyya in …
Metro Mining's Bauxite Hills Project, Cape York, …
Metro Mining's Bauxite Hills Project is located 5km south-east of the port at Skardon River and 95km north of Weipa in Western Cape Rock, North Queensland, Australia. The pre-feasibility study (PFS) …
Sand Extraction: 1. Introduction
Sand mining has led to deepening and widening of the Lake Poyang channel, the largest freshwater lake in China and a biodiversity reserve of exceptional importance, and to an increase in water discharge into the Yangtze River. This may have influenced the lowering of the lake's water levels, which reached a historically low level in 2008.
Sand Mining In Cambodia And Dams Upstream Threaten Mekong River
There are many ways to kill a river. With Southeast Asia's storied Mekong, China's upriver damming is taking a heavy toll, but downstream neighbors share the blame. The No. 1 threat: sand mining.
(PDF) ZHU, Qian. 2022. River-sand Mining: An Ethnography …
PDF | On Dec 1, 2022, Jing Vivian Zhan published ZHU, Qian. 2022. River-sand Mining: An Ethnography of Resource Conflict in China. Leiden: Brill. | Find, read and cite all the research you need on ...
Technology, economics, and politics in the modernization of China's …
VIII From the preceding account, what can one conclude about the causes of the slow development of the modern coal mining industry in China? The evidence presented on the growing number of steamships and steampowered industries in the treaty ports indicates a growing demand for coal produced by modern methods.
Best river sand mining practices vis-a-vis alternative sand …
This calls for responsible river sand mining practices and more importantly exploration of alternative sand manufacturing methods for source sustainability considering that over 40 billion tons of river sand and gravel is extracted worldwide annually.
Progress and prospects of mining with backfill in metal …
Finally, the future perspectives of mining with backfill are discussed based on the features of modern filling concepts to provide the necessary theoretical research value for filling mining. ... Development history of China's filling mining methods. Dry filling is a method used in the early years, whereby ... the H-conc cemented filling ...
The environmental impacts of river sand mining.
Environmental Impact Assessment carried out as a case to address the environmental impact of sand mining from the instream and floodplain areas of three important rivers in the southwestern coast of India shows that the activities associated with mining and processing of sands have not only affected the health of the river ecosystems but also …
Petrographic composition and heavy minerals in modern …
In recent decades, instead, a bounty of compositional data has been generated on modern river sediments, allowing us to further validate and improve our …
River Sand Mining Modelling and Sustainable Practice
In India, illegal sand mining (of alluvial channels) and gravel mining (of perennial channels) are two anthropogenic issues that negatively affect the sustainable drainage system. Along the Kangsabati River in India, the consequences of …
Sand, gravel, and UN Sustainable Development Goals: Conflicts
Sand, gravel, and crushed stone are the most mined materials on Earth. Aggregates constitute the foundation for modern civilization and are essential for providing shelter, infrastructure, and communication, but are an increasingly scarce resource.
Research progress in mining ecological restoration technology
China's coal production reached 4.56 billion tons in 2022 ... Chemical restoration technology is a method that improves soil structure and quality by adding chemical substances to make it have ecological functions. ... Hardt et al. analyzed riparian forest restoration at sand mining sites and found that most vegetation restoration …
Managing mining's environmental waste
The Asia Pacific region produced the largest amount of mining waste, producing 76.62bn tonnes in 2022. China accounts for over 24% of the mining production in the world, and Australia is home to the second-largest amount of individual contributors of mining waste, driving the region's dominance of waste production.
Best river sand mining practices vis-a-vis alternative sand …
They conducted extensive data collection from China and abroad, looked at actual management of river sand mining in the province, conducted many investigations …
An optimization model of sand and gravel mining quantity …
Based on the practice of China, we used a two-dimensional matrix method to construct a feasible mode set, including 12 modes, according to the various organization methods of river operation ...
The Impacts of Global Sand Mining – The Maritime Review
Sand mining involves a high degree of environmental degradation. Thus, early on, specific measures must be adopted to mitigate environmental impacts. Sand mining companies need to know and respect environmental regulations, invest in clean technologies, and preserve the environment from potential negative impacts of sand …
Driven to Extraction: Can Sand Mining be Sustainable?
For example, in 2000, Chinese authorities banned sand mining in the Yangtze River after extraction had caused the collapse of bridges and riverbanks. 12 However, this led to the massive expansion of sand mining in Poyang lake, which is 300 miles up the Yangtze river from Shanghai. Poyang is China's largest freshwater lake …
Sand mining grinds down river systems and sparks floods
China's urban building boom has made it the largest miner and consumer of sand, responsible for an estimated 60% of global use.In the three years of 2011 to 2013, China used more concrete (and therefore sand and gravel, which is by far the major ingredient) than the United States in all 100 years of the 20 th century. It was poured into …
Optimal mechanism design for transaction of river sand mining …
With the continuous development of capital construction, river sand is gradually becoming one kind of scarce resource in China. Transaction activities of sand mining rights are increasing as well.
Devoured: How China's Poyang lake was decimated by dredging and sand mining
In winter, the lake's water flows back out into the river. Sand mining in the main river and its tributaries and lakes is believed to be responsible for the abnormally low water levels during ...
China vows crackdown on sand mining on Yangtze | Reuters
China has launched a crackdown on illegal sand mining operations on the Yangtze river, which have made large parts of central China more vulnerable to drought.
Construction: limit China's sand mining
Sand mining in China has been massively stepped up over several decades to make the concrete and cement needed for the country's boom in urbanization …
China's war over sand
Since 2000 they have declared various curbs on sand-dredging in the Yangzi river, where extensive mining has threatened embankments used to prevent potentially catastrophic floods.
Alluvial Gold Mining Technologies from Ancient Times to the …
This article provides a comprehensive and chronological account of the technological advancements in alluvial gold mining. Gold has been a highly prized …
6 things you need to know about sand mining
Sand is the single most mined commodity, eclipsing minerals and metals by a colossal margin. Here is everything you need to know about sand mining.
Impact assessment of river sand resource shortage under …
More than half of the annual global concrete materials were produced in China due to the rapid developing construction industry, which partly led to the shortage of river sand. However, mining ...
Evolution of Water Hazard Control Technology in China's …
We analyzed the regional nature of China's coal mine water disasters based on three aspects: the main water source, water-conducting passages, and threat level of water hazards. The development of water hazard control technology in China's coal mines, including exploration and assessment of hydrogeological conditions, water inrush …
Uncovering sand mining's impacts on the world's rivers | WWF
Other impacts are hard to directly link to sand mining since rivers are affected by so many different factors, including dams, but it is clear that by sucking too much sediment out of the world's rivers, unsustainable sand mining will contribute to bank erosion and shrinking, sinking deltas – with the loss of agriculture land, houses and ...
Impact assessment of river sand resource shortage under
To face the river sand resource shortage in China and to propose possible coping strategies, the data of river sand for construction in China and other related data …